mirror of https://github.com/kubernetes/kops.git
114 lines
2.7 KiB
Go
114 lines
2.7 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package model
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import (
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"fmt"
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"github.com/golang/glog"
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"k8s.io/kops/nodeup/pkg/distros"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/nodeup/nodetasks"
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)
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// KubectlBuilder install kubectl
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type KubectlBuilder struct {
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*NodeupModelContext
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}
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var _ fi.ModelBuilder = &KubectlBuilder{}
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func (b *KubectlBuilder) Build(c *fi.ModelBuilderContext) error {
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if !b.IsMaster {
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// We don't have the configuration on the machines, so it only works on the master anyway
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return nil
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}
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// Add kubectl file as an asset
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{
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// TODO: Extract to common function?
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assetName := "kubectl"
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assetPath := ""
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asset, err := b.Assets.Find(assetName, assetPath)
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if err != nil {
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return fmt.Errorf("error trying to locate asset %q: %v", assetName, err)
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}
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if asset == nil {
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return fmt.Errorf("unable to locate asset %q", assetName)
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}
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t := &nodetasks.File{
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Path: b.kubectlPath(),
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Contents: asset,
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Type: nodetasks.FileType_File,
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Mode: s("0755"),
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}
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c.AddTask(t)
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}
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// Add kubeconfig
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{
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kubeconfig, err := b.buildPKIKubeconfig("kubecfg")
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if err != nil {
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return err
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}
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t := &nodetasks.File{
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Path: "/var/lib/kubectl/kubeconfig",
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Contents: fi.NewStringResource(kubeconfig),
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Type: nodetasks.FileType_File,
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Mode: s("0400"),
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}
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c.AddTask(t)
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switch b.Distribution {
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case distros.DistributionJessie:
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c.AddTask(&nodetasks.File{
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Path: "/home/admin/.kube/",
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Type: nodetasks.FileType_Directory,
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Mode: s("0400"),
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Owner: s("admin"),
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Group: s("admin"),
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})
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c.AddTask(&nodetasks.File{
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Path: "/home/admin/.kube/config",
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Contents: fi.NewStringResource(kubeconfig),
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Type: nodetasks.FileType_File,
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Mode: s("0400"),
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Owner: s("admin"),
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Group: s("admin"),
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})
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default:
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glog.Warningf("Unknown distro; won't write kubeconfig to homedir %s", b.Distribution)
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}
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}
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return nil
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}
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func (b *KubectlBuilder) kubectlPath() string {
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kubeletCommand := "/usr/local/bin/kubectl"
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if b.Distribution == distros.DistributionCoreOS {
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kubeletCommand = "/opt/bin/kubectl"
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}
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if b.Distribution == distros.DistributionContainerOS {
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kubeletCommand = "/home/kubernetes/bin/kubectl"
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}
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return kubeletCommand
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}
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